What does the B after 8N on Ford tractor mean?

The "B" after "8N" on a Ford tractor indicates that it is part of the "N-Series" tractors produced by Ford, specifically denoting the model's production year and features. The "8N" was an upgrade from earlier models, featuring improvements in design, hydraulics, and performance. The "B" typically refers to specific production changes or variations made during the manufacturing run of the 8N model. Overall, it helps identify the model's particular configuration and specifications.